2020年7月
Pathophysiologic mechanisms of itch in bullous pemphigoid.
Journal of the American Academy of Dermatology
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- 巻
- 83
- 号
- 1
- 開始ページ
- 53
- 終了ページ
- 62
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1016/j.jaad.2019.07.060
- 出版者・発行元
- Elsevier BV
BACKGROUND: One of the hallmarks of bullous pemphigoid (BP) is moderate to severe chronic itch. Managing this is difficult because little is known about the mechanisms of itch in BP. OBJECTIVE: We sought to elucidate the pathophysiologic mechanisms of itch in BP. METHODS: The expression of itch mediators in lesions of 24 patients with BP and 6 healthy individuals were examined through immunofluorescence staining. Furthermore, the expression of itch mediators and itch severity was correlated. RESULTS: Itch severity was correlated with eosinophils, substance P, neurokinin 1R, interleukin (IL) 31 receptor A, oncostatin M receptor-β, IL-13, periostin, and basophils. There was also a trend between itch severity and IL-31 expression. Most of the cells expressing IL-31 or neurokinin 1R were identified as eosinophils. Intraepidermal nerve fiber density was decreased. Other itch mediators, including mast cells, IL-4, thymic stromal lymphopoietin, transient receptor potential vanilloid 1 and ankyrin 1, and protease activated receptor 2 were not significantly correlated with itch severity. LIMITATIONS: The relatively small sample size, the examination of protein expression exclusively through immunofluorescent analysis, and lack of functional assays in patients are the limitations. CONCLUSIONS: Multiple factors are involved in BP-associated itch, including eosinophils, substance P, neurokinin 1R, IL-31, IL-31 receptor A, oncostatin M receptor-β, IL-13, periostin, and basophils. They could be useful therapeutic targets.
- リンク情報
- ID情報
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- DOI : 10.1016/j.jaad.2019.07.060
- ISSN : 0190-9622
- PubMed ID : 31351883